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- /**********************************************************************
- * Digital Signature Plug-In (Version 1.00)
- * Daniel Cotting (cotting@mygale.org)
- **********************************************************************
- * Official homepages: http://www.mygale.org/~cotting
- * http://cotting.citeweb.net
- * http://village.cyberbrain.com/cotting
- **********************************************************************
- */
-
-
- /* The GIMP -- an image manipulation program
- * Copyright (C) 1995 Spencer Kimball and Peter Mattis
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
- #include <stdlib.h>
- #include <string.h>
- #include <math.h>
-
- #include "libgimp/gimp.h"
- #include "gtk/gtk.h"
- #include "logo.h"
-
- #define ENTRY_WIDTH 200
-
- typedef struct {
- gint mode;
- gint licence;
- gint contents;
- char signature[50];
- char email[30];
- char homepage[50];
- char date[20];
- gint warningmessage;
- } signatureValues;
-
- typedef struct {
- gint run;
- } signatureInterface;
-
-
- /* Declare local functions.
- */
- static void query(void);
- static void run(char *name, int nparams,
- GParam *param,
- int *nreturn_vals,
- GParam **return_vals);
- static void drawsignature(GDrawable *drawable);
- static void readsignature(GDrawable *drawable);
- static gint signature_dialog(void);
- static gint signature_warning_dialog(void);
- static gint message_dialog(char *, char *, char *);
- GtkWidget * signature_logo_dialog(void);
-
-
-
-
- GtkWidget *maindlg;
- GtkWidget *logodlg;
- GtkTooltips *tips;
-
- GPlugInInfo PLUG_IN_INFO =
- {
- NULL, /* init_proc */
- NULL, /* quit_proc */
- query, /* query_proc */
- run, /* run_proc */
- };
-
- static signatureValues wvals = {
- 1,0,0,"","","","",1
- }; /* wvals */
-
- static signatureInterface bint =
- {
- FALSE /* run */
- };
-
-
- MAIN()
-
- static void
- query(void)
- {
- static GParamDef args[] =
- {
- { PARAM_INT32, "run_mode", "Interactive, non-interactive" },
- { PARAM_IMAGE, "image", "Input image (unused)" },
- { PARAM_DRAWABLE, "drawable", "Input drawable" },
- { PARAM_STRING, "signature[50]", "Signature (Name of author, company etc.)" },
- { PARAM_STRING, "e-mail[30]", "e-mail address" },
- { PARAM_STRING, "homepage[50]", "Address of the homepage" },
- { PARAM_STRING, "date[20]", "Date of creation" },
- { PARAM_INT8, "mode", "FALSE: Write signature; TRUE: Read signature" },
- { PARAM_INT8, "licence", "FALSE: Freely distributable; TRUE: Restricted distribution" },
- { PARAM_INT8, "contents", "TRUE: Adult only contents" },
- };
-
- static GParamDef *return_vals = NULL;
- static int nargs = sizeof(args)/ sizeof(args[0]);
- static int nreturn_vals = 0;
-
- gimp_install_procedure("plug_in_signature",
- "Puts a hidden signature on your images.",
- "",
- "Daniel Cotting (cotting@mygale.org, http://www.mygale.org/~cotting)",
- "Daniel Cotting (cotting@mygale.org, http://www.mygale.org/~cotting)",
- "December, 1997",
- "<Image>/Filters/Image/Digital Signature",
- "RGB*, GRAY*, INDEXED*",
- PROC_PLUG_IN,
- nargs, nreturn_vals,
- args, return_vals);
- }
-
- static void
- run(char *name,
- int nparams,
- GParam *param,
- int *nreturn_vals,
- GParam **return_vals)
- {
- static GParam values[1];
- GDrawable *drawable;
- GRunModeType run_mode;
- GStatusType status = STATUS_SUCCESS;
- gchar **argv;
- gint argc;
- gint ending=FALSE;
-
- run_mode = param[0].data.d_int32;
-
- values[0].type = PARAM_STATUS;
- values[0].data.d_status = status;
-
- *nreturn_vals = 1;
- *return_vals = values;
-
- drawable = gimp_drawable_get(param[2].data.d_drawable);
-
- switch(run_mode) {
- case RUN_INTERACTIVE:
- /* Possibly retrieve data */
- gimp_get_data("plug_in_signature", &wvals);
- /* Get information from the dialog */
- argc = 1;
- argv = g_new(gchar *, 1);
- argv[0] = g_strdup("apply_signature");
- gtk_init(&argc, &argv);
- gtk_rc_parse(gimp_gtkrc());
-
- ending=signature_dialog();
-
- if (ending==FALSE) return;
- if ((wvals.warningmessage) && (ending!=100))
- if (!signature_warning_dialog())
- return;
-
- if (ending==100) {wvals.mode=1;} else {wvals.mode=0;}
- break;
-
- case RUN_NONINTERACTIVE:
- /* Make sure all the arguments are present */
- if (nparams != 10)
- status = STATUS_CALLING_ERROR;
- if (status == STATUS_SUCCESS)
- wvals.mode = param[3].data.d_int8;
- strncpy (wvals.signature,param[4].data.d_string, 50);
- strncpy (wvals.email,param[5].data.d_string, 30);
- strncpy (wvals.homepage,param[6].data.d_string, 50);
- strncpy (wvals.date,param[7].data.d_string, 20);
- wvals.signature[49]='\0';
- wvals.email[29]='\0';
- wvals.homepage[49]='\0';
- wvals.date[19]='\0';
-
- wvals.licence = param[8].data.d_int8;
- wvals.contents = param[9].data.d_int8;
- argc = 1;
- argv = g_new(gchar *, 1);
- argv[0] = g_strdup("apply_signature");
- gtk_init(&argc, &argv);
- gtk_rc_parse(gimp_gtkrc());
- tips = gtk_tooltips_new ();
-
- break;
- case RUN_WITH_LAST_VALS:
- /* Possibly retrieve data */
- argc = 1;
- argv = g_new(gchar *, 1);
- argv[0] = g_strdup("apply_signature");
- gtk_init(&argc, &argv);
- gtk_rc_parse(gimp_gtkrc());
- tips = gtk_tooltips_new ();
- gimp_get_data("plug_in_signature", &wvals);
-
- break;
- default:
- break;
- }
- if (status == STATUS_SUCCESS) {
- if (!wvals.mode) {
- gimp_tile_cache_ntiles(2 *(drawable->width / gimp_tile_width() + 1));
- gimp_progress_init("Writing signature. Please wait...");
- drawsignature(drawable);
- if(run_mode != RUN_NONINTERACTIVE)
- gimp_displays_flush();
- if(run_mode == RUN_INTERACTIVE)
- gimp_set_data("plug_in_signature", &wvals, sizeof(signatureValues));
- values[0].data.d_status = status;
- gimp_drawable_detach(drawable);
- } else {
- readsignature(drawable);
- if(run_mode == RUN_INTERACTIVE)
- gimp_set_data("plug_in_signature", &wvals, sizeof(signatureValues));
- values[0].data.d_status = status;
- gimp_drawable_detach(drawable);
- }
- }
- }
-
- static void
- drawsignature(GDrawable *drawable)
- {
- GPixelRgn srcPR, destPR;
- gint width, height;
- gint bytes;
- gint row;
- gint x1, y1, x2, y2, ix, iy;
- guchar *src, *dest;
- gint i, col;
- gint value;
- long count=1,smallcount=0;
- gfloat regionwidth, regionheight, dx, dy;
- gfloat a, b, x, y;
- glong pixelpos, pos;
- guchar bgr_red, bgr_blue, bgr_green;
- char *point;
- char *point2;
- int finished_atleast_once=0;
-
-
- typedef struct {
- char header[3];
- char signature[50];
- char email[30];
- char homepage[50];
- char date[20];
- char flags[1];
- char reserved[45];
- } _wholedata;
-
- _wholedata wholedata;
- wvals.signature[49]='\0';
- wvals.email[29]='\0';
- wvals.homepage[49]='\0';
- wvals.date[19]='\0';
- point2=(char*) &wholedata;
- for (i=0;i<200; i++)
- {
- point2[i]='\0';
- }
- strncpy(wholedata.header,"SIG",3);
- strncpy(wholedata.signature,wvals.signature,50);
- strncpy(wholedata.email,wvals.email,30);
- strncpy(wholedata.homepage,wvals.homepage,50);
- strncpy(wholedata.date,wvals.date,20);
- if (wvals.contents) wholedata.flags[1]|=1;
- if (wvals.licence) wholedata.flags[1]|=2;
-
- gimp_palette_get_background(&bgr_red, &bgr_green, &bgr_blue);
-
- gimp_drawable_mask_bounds(drawable->id, &x1, &y1, &x2, &y2);
-
-
- regionwidth = x2-x1;
- a = regionwidth/2;
- regionheight = y2-y1;
- b = regionheight/2;
-
- width = drawable->width;
- height = drawable->height;
- bytes = drawable->bpp;
-
- gimp_pixel_rgn_init(&srcPR, drawable, 0, 0, width, height, FALSE, FALSE);
- gimp_pixel_rgn_init(&destPR, drawable, 0, 0, width, height, TRUE, TRUE);
-
- src = g_malloc((x2-x1)*(y2-y1)*bytes);
- dest = g_malloc((x2-x1)*(y2-y1)*bytes);
- gimp_pixel_rgn_get_rect(&srcPR, src, x1, y1, regionwidth, regionheight);
-
- point=(char *)&wholedata;
-
-
- for(col = 0; col < regionwidth; col++) {
- dx = (gfloat)col - a;
- for(row = 0; row < regionheight; row++) {
- pixelpos = (col+row*regionwidth)*bytes;
- dy = -((gfloat)row - b);
- x = dx+a;
- y = -dy+b;
- ix=(int)x;
- iy=(int)y;
- smallcount++;
- if (smallcount==9) {
- count++;
- point++;
- smallcount=1;
- }
- if ((count % 200)==0) { point=(char *)&wholedata; finished_atleast_once=1;}
- pos = ((gint)(iy)*regionwidth + (gint)(ix)) * bytes;
- for(i = 0; i < bytes; i++) {
- value = src[pos+i];
- if (point[0]&(1<<(smallcount-1))){
- if (((int)((float)value/2.0))*2==value){
- value+=1;
- if (value==257) { value=255; }
- }
- } else {
- if (!(((int)((float)value/2.0))*2==value)){
- value+=1;
- if (value==256) { value=254; }
- }
- }
- dest[pixelpos+i] = value; } }
- if(((gint)(regionwidth-col) % 5) == 0)
- gimp_progress_update((gdouble)col/(gdouble)regionwidth);
- }
-
- gimp_pixel_rgn_set_rect(&destPR, dest, x1, y1, regionwidth, regionheight);
- g_free(src);
- g_free(dest);
-
- if (!finished_atleast_once) {
- message_dialog("Error", "Could not write signature", "The picture you wanted to process is to small\n"
- "to contain the whole signature information.\n"
- "Use an image with larger dimensions.");
- } else {
- message_dialog("Signature written successfully", NULL, "\nYour signature has been written\n"
- "successfully! Start the Digital\n"
- "Signature plug-in once again and\n"
- "select 'read' to view the hidden\n"
- "information included in the image.\n");
- }
- gimp_drawable_flush(drawable);
- gimp_drawable_merge_shadow(drawable->id, TRUE);
- gimp_drawable_update(drawable->id, x1, y1,(x2 - x1),(y2 - y1));
- }
-
- static void
- readsignature(GDrawable *drawable)
- {
- GPixelRgn srcPR;
- gint width, height;
- gint bytes;
- gint row, value;
- gint x1, y1, x2, y2, ix, iy, i;
- guchar *src;
- gint col, finished_atleast_once=FALSE;
- gfloat regionwidth, regionheight, dx, dy;
- gfloat a, b, x, y;
- glong pixelpos, pos;
- guchar bgr_red, bgr_blue, bgr_green;
- long count=1,smallcount=0;
- char displaystring[500];
- char * point;
- char *point2;
- typedef struct {
- char header[3];
- char signature[50];
- char email[30];
- char homepage[50];
- char date[20];
- char flags[1];
- char reserved[45];
- } _wholedata;
-
- _wholedata wholedata;
- point2=(char*) &wholedata;
- for (i=0;i<200; i++)
- {
- point2[i]='\0';
- }
-
- gimp_palette_get_background(&bgr_red, &bgr_green, &bgr_blue);
-
- gimp_drawable_mask_bounds(drawable->id, &x1, &y1, &x2, &y2);
- regionwidth = x2-x1;
- a = regionwidth/2;
- regionheight = y2-y1;
- b = regionheight/2;
-
- width = drawable->width;
- height = drawable->height;
- bytes = drawable->bpp;
-
- gimp_pixel_rgn_init(&srcPR, drawable, 0, 0, width, height, FALSE, FALSE);
-
- src = g_malloc((x2-x1)*(y2-y1)*bytes);
- gimp_pixel_rgn_get_rect(&srcPR, src, x1, y1, regionwidth, regionheight);
-
- point=(char *)&wholedata;
-
- for(col = 0; col < regionwidth; col++) {
- dx = (gfloat)col - a;
- for(row = 0; row < regionheight; row++) {
- pixelpos = (col+row*regionwidth)*bytes;
- dy = -((gfloat)row - b);
- x = dx+a;
- y = -dy+b;
- ix=(int)x;
- iy=(int)y;
- pos = ((gint)(iy)*regionwidth + (gint)(ix)) * bytes;
-
- smallcount++;
- if (smallcount==9) {
- count++;
- point++;
- smallcount=1;
- }
- if ((count % 200)==0) {finished_atleast_once=1; goto fin;}
-
-
- value = src[pos];
- if (!(((int)((float)value/2.0))*2==value)){
- point[0]|=(1<<(smallcount-1));
- }
- }
- }
- fin:
- g_free(src);
-
- if (!finished_atleast_once) {
- message_dialog("Error", "Could not read signature", "The picture you wanted to process is to small\n"
- "to contain the whole signature information.\n"
- "Use an image with larger dimensions.");
- return;
- }
- if (strncmp("SIG",wholedata.header,3)) {
- message_dialog("Error", "No signature", "The picture you wanted to process contains\n"
- "no signature or the signature has been destroyed\n"
- "with some image manipulation.");
- return;
- }
- sprintf(displaystring, "----------------------------------\nImage creator:\n%s\n\n"
- "E-mail address:\n%s\n\n"
- "Internet homepage:\n%s\n\n"
- "Date of creation:\n%s\n\n"
- "Freely distributable:\n%s\n\n"
- "Adult contents:\n%s\n----------------------------------"
- , wholedata.signature
- , wholedata.email
- , wholedata.homepage
- , wholedata.date
- , (wholedata.flags[1] & 2) ? "Yes" : "No"
- , (wholedata.flags[1] & 1) ? "Yes" : "No"
- );
-
- message_dialog("Signature read successfully", "Image information", displaystring );
- }
-
- void
- signature_close_callback(GtkWidget *widget, gpointer data)
- {
- gtk_widget_destroy(maindlg);
- gtk_main_quit();
- }
-
-
- void
- signature_logo_close_callback(GtkWidget *widget, gpointer data)
- {
- gtk_main_quit();
- }
-
- void
- signature_ok_callback(GtkWidget *widget, gpointer data)
- {
- bint.run = TRUE;
- gtk_widget_destroy(GTK_WIDGET(data));
- }
-
- void
- signature_ok2_callback(GtkWidget *widget, gpointer data)
- {
- bint.run = 100;
- gtk_widget_destroy(GTK_WIDGET(data));
- }
-
- void
- signature_logo_ok_callback(GtkWidget *widget, gpointer data)
- {
- gtk_widget_set_sensitive (maindlg, TRUE);
- gtk_widget_destroy(logodlg);
- }
-
- void
- signature_about_callback(GtkWidget *widget, gpointer data)
- {
- gtk_widget_set_sensitive (maindlg, FALSE);
- signature_logo_dialog();
- }
-
- static void
- toggle_update (GtkWidget *widget,
- gpointer data)
- {
- int *toggle_val;
-
- toggle_val = (int *) data;
-
- if (GTK_TOGGLE_BUTTON (widget)->active)
- *toggle_val = TRUE;
- else
- *toggle_val = FALSE;
- }
-
- static void
- signature_entry1_callback (GtkWidget * widget, gpointer data)
- {
- strncpy (wvals.signature, gtk_entry_get_text (GTK_ENTRY (widget)), 50);
- }
-
- static void
- signature_entry2_callback (GtkWidget * widget, gpointer data)
- {
- strncpy (wvals.email, gtk_entry_get_text (GTK_ENTRY (widget)), 30);
- }
- static void
- signature_entry3_callback (GtkWidget * widget, gpointer data)
- {
- strncpy (wvals.homepage, gtk_entry_get_text (GTK_ENTRY (widget)), 50);
- }
- static void
- signature_entry4_callback (GtkWidget * widget, gpointer data)
- {
- strncpy (wvals.date, gtk_entry_get_text (GTK_ENTRY (widget)), 20);
- }
-
- static void
- set_tooltip (GtkTooltips *tooltips, GtkWidget *widget, const char *desc)
- {
- if (desc && desc[0])
- gtk_tooltips_set_tip (tooltips, widget, (char *) desc, NULL);
- }
-
- static gint
- signature_dialog()
- {
- GtkWidget *dlg;
- GtkWidget *label;
- GtkWidget *entry;
- GtkWidget *button;
- GtkWidget *toggle;
- GtkWidget *frame;
- GtkWidget *vbox;
- GtkWidget *hbox;
- gchar buffer[100];
-
-
- bint.run=FALSE;
-
- dlg = maindlg = gtk_dialog_new();
- gtk_window_set_title(GTK_WINDOW(dlg), "Digital Signature <cotting@mygale.org>");
- gtk_window_position(GTK_WINDOW(dlg), GTK_WIN_POS_MOUSE);
- gtk_signal_connect(GTK_OBJECT(dlg), "destroy",
- (GtkSignalFunc)signature_close_callback,
- NULL);
-
-
-
- frame = gtk_frame_new("Settings");
- gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_ETCHED_IN);
- gtk_container_border_width(GTK_CONTAINER(frame), 10);
- gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dlg)->vbox), frame, TRUE, TRUE, 0);
- vbox = gtk_vbox_new(FALSE, 5);
- gtk_container_border_width(GTK_CONTAINER(vbox), 10);
- gtk_container_add(GTK_CONTAINER(frame), vbox);
-
- tips = gtk_tooltips_new ();
-
- hbox = gtk_hbox_new(FALSE, 5);
- gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, TRUE, 0);
-
-
- label = gtk_label_new("Signature: ");
- gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 0);
- gtk_widget_show(label);
-
- entry = gtk_entry_new();
- gtk_box_pack_start(GTK_BOX(hbox), entry, TRUE, TRUE, 0);
- gtk_widget_set_usize(entry, ENTRY_WIDTH, 0);
- sprintf(buffer, "%s", wvals.signature);
- gtk_entry_set_text(GTK_ENTRY(entry), buffer);
-
- gtk_signal_connect(GTK_OBJECT(entry), "changed",
- (GtkSignalFunc)signature_entry1_callback,
- NULL);
- gtk_widget_show(entry);
- set_tooltip(tips,entry,"Here you can specify your signature (name of author, company etc.)");
-
- gtk_widget_show(hbox);
-
- hbox = gtk_hbox_new(FALSE, 5);
- gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, TRUE, 0);
-
- label = gtk_label_new("E-mail: ");
- gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 0);
- gtk_widget_show(label);
-
- entry = gtk_entry_new();
- gtk_box_pack_start(GTK_BOX(hbox), entry, TRUE, TRUE, 0);
- gtk_widget_set_usize(entry, ENTRY_WIDTH, 0);
- sprintf(buffer, "%s", wvals.email);
- gtk_entry_set_text(GTK_ENTRY(entry), buffer);
- gtk_signal_connect(GTK_OBJECT(entry), "changed",
- (GtkSignalFunc)signature_entry2_callback,
- NULL);
- gtk_widget_show(entry);
- set_tooltip(tips,entry,"Here you can specify an e-mail address, where the author/company can be contacted.");
-
- gtk_widget_show(hbox);
-
- hbox = gtk_hbox_new(FALSE, 5);
- gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, TRUE, 0);
-
- label = gtk_label_new("Internet address: ");
- gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 0);
- gtk_widget_show(label);
-
- entry = gtk_entry_new();
- gtk_box_pack_start(GTK_BOX(hbox), entry, TRUE, TRUE, 0);
- gtk_widget_set_usize(entry, ENTRY_WIDTH, 0);
- sprintf(buffer, "%s", wvals.homepage);
- gtk_entry_set_text(GTK_ENTRY(entry), buffer);
- gtk_signal_connect(GTK_OBJECT(entry), "changed",
- (GtkSignalFunc)signature_entry3_callback,
- NULL);
- gtk_widget_show(entry);
- set_tooltip(tips,entry,"Here you can specify an internet address, where the homepage of the author/company can be found.");
-
- gtk_widget_show(hbox);
-
- hbox = gtk_hbox_new(FALSE, 5);
- gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 0);
-
- label = gtk_label_new("Date of creation: ");
- gtk_box_pack_start(GTK_BOX(hbox), label, TRUE, FALSE, 0);
- gtk_widget_show(label);
-
- entry = gtk_entry_new();
- gtk_box_pack_start(GTK_BOX(hbox), entry, TRUE, TRUE, 0);
- gtk_widget_set_usize(entry, ENTRY_WIDTH, 0);
- sprintf(buffer, "%s", wvals.date);
- gtk_entry_set_text(GTK_ENTRY(entry), buffer);
- gtk_signal_connect(GTK_OBJECT(entry), "changed",
- (GtkSignalFunc)signature_entry4_callback,
- NULL);
- gtk_widget_show(entry);
- set_tooltip(tips,entry,"Here you can specify the date, when the image was created.");
-
- gtk_widget_show(hbox);
-
- toggle = gtk_check_button_new_with_label ("Restricted image distribution");
- gtk_box_pack_start(GTK_BOX(vbox), toggle, FALSE, FALSE, 0);
- gtk_signal_connect (GTK_OBJECT (toggle), "toggled",
- (GtkSignalFunc) toggle_update,
- &wvals.licence);
- gtk_toggle_button_set_state (GTK_TOGGLE_BUTTON (toggle), wvals.licence);
- gtk_widget_show (toggle);
- set_tooltip(tips,toggle,"If this option is enabled, a flag will be set, that the image is not freely distributable.");
-
- toggle = gtk_check_button_new_with_label ("Adult contents");
- gtk_box_pack_start(GTK_BOX(vbox), toggle, FALSE, FALSE, 0);
- gtk_signal_connect (GTK_OBJECT (toggle), "toggled",
- (GtkSignalFunc) toggle_update,
- &wvals.contents);
- gtk_toggle_button_set_state (GTK_TOGGLE_BUTTON (toggle), wvals.contents);
- gtk_widget_show (toggle);
- set_tooltip(tips,toggle,"If this option is enabled, a flag will be set, that the contents of the image should only be accessible to adults.");
-
- gtk_widget_show(vbox);
- gtk_widget_show(frame);
-
- button = gtk_button_new_with_label("Write");
- GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
- gtk_signal_connect(GTK_OBJECT(button), "clicked",
- (GtkSignalFunc)signature_ok_callback,
- dlg);
- gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dlg)->action_area),
- button, TRUE, TRUE, 0);
- gtk_widget_grab_default(button);
- gtk_widget_show(button);
-
- set_tooltip(tips,button,"Close the dialog box and write signature.");
-
- button = gtk_button_new_with_label("Read");
- GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
- gtk_signal_connect(GTK_OBJECT(button), "clicked",
- (GtkSignalFunc)signature_ok2_callback,
- dlg);
- gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dlg)->action_area),
- button, TRUE, TRUE, 0);
- gtk_widget_show(button);
-
- set_tooltip(tips,button,"Close the dialog box and read signature.");
-
- button = gtk_button_new_with_label("Cancel");
- GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
- gtk_signal_connect_object(GTK_OBJECT(button), "clicked",
- (GtkSignalFunc)gtk_widget_destroy,
- GTK_OBJECT(dlg));
- gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dlg)->action_area),
- button, TRUE, TRUE, 0);
- gtk_widget_show(button);
- set_tooltip(tips,button,"Close the dialog box without reading or writing a signature.");
-
- button = gtk_button_new_with_label("About...");
- GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
- gtk_signal_connect(GTK_OBJECT(button), "clicked",
- (GtkSignalFunc)signature_about_callback,button);
- gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dlg)->action_area),
- button, TRUE, TRUE, 0);
- gtk_widget_show(button);
- set_tooltip(tips,button,"Show information about the author and the plug-in.");
-
- gtk_widget_show(dlg);
-
- gtk_main();
- gdk_flush();
-
- return bint.run;
- }
-
- static gint
- message_dialog(char * title, char *title2, char * text)
- {
- GtkWidget *dlg;
- GtkWidget *label;
- GtkWidget *button;
- GtkWidget *frame;
- GtkWidget *vbox;
- GtkWidget *hbox;
- bint.run=FALSE;
-
- dlg = gtk_dialog_new();
-
- gtk_window_set_title(GTK_WINDOW(dlg), title);
- gtk_window_position(GTK_WINDOW(dlg), GTK_WIN_POS_MOUSE);
- gtk_signal_connect(GTK_OBJECT(dlg), "destroy",
- (GtkSignalFunc)signature_close_callback,
- NULL);
-
-
- button = gtk_button_new_with_label("OK");
- GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
- gtk_signal_connect_object(GTK_OBJECT(button), "clicked",
- (GtkSignalFunc)gtk_widget_destroy,
- GTK_OBJECT(dlg));
- gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dlg)->action_area),
- button, TRUE, TRUE, 0);
- gtk_widget_show(button);
- set_tooltip(tips,button,"Close this message box and continue");
-
- frame = gtk_frame_new(title2);
- gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_ETCHED_IN);
- gtk_container_border_width(GTK_CONTAINER(frame), 10);
- gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dlg)->vbox), frame, TRUE, TRUE, 0);
- vbox = gtk_vbox_new(FALSE, 5);
- gtk_container_border_width(GTK_CONTAINER(vbox), 10);
- gtk_container_add(GTK_CONTAINER(frame), vbox);
-
-
- hbox = gtk_hbox_new(FALSE, 5);
- gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, TRUE, 0);
-
- label = gtk_label_new(text);
- gtk_box_pack_start(GTK_BOX(hbox), label, TRUE, FALSE, 0);
- gtk_widget_show(label);
-
- gtk_widget_show(hbox);
-
- gtk_widget_show(vbox);
- gtk_widget_show(frame);
- gtk_widget_show(dlg);
-
- gtk_main();
- gdk_flush();
- return 0;
- }
-
-
-
- static gint
- signature_warning_dialog()
- {
- GtkWidget *dlg;
- GtkWidget *label;
- GtkWidget *button;
- GtkWidget *toggle;
- GtkWidget *frame;
- GtkWidget *vbox;
- GtkWidget *hbox;
- bint.run=FALSE;
-
- dlg = gtk_dialog_new();
- gtk_window_set_title(GTK_WINDOW(dlg), "Warning");
- gtk_window_position(GTK_WINDOW(dlg), GTK_WIN_POS_MOUSE);
- gtk_signal_connect(GTK_OBJECT(dlg), "destroy",
- (GtkSignalFunc)signature_close_callback,
- NULL);
-
- button = gtk_button_new_with_label("OK");
- GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
- gtk_signal_connect(GTK_OBJECT(button), "clicked",
- (GtkSignalFunc)signature_ok_callback,
- dlg);
- gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dlg)->action_area),
- button, TRUE, TRUE, 0);
- gtk_widget_grab_default(button);
- gtk_widget_show(button);
- set_tooltip(tips,button,"Proceed with writing the signature.");
-
- button = gtk_button_new_with_label("Cancel");
- GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
- gtk_signal_connect_object(GTK_OBJECT(button), "clicked",
- (GtkSignalFunc)gtk_widget_destroy,
- GTK_OBJECT(dlg));
- gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dlg)->action_area),
- button, TRUE, TRUE, 0);
- gtk_widget_show(button);
- set_tooltip(tips,button,"Cancel the writing of signature.");
-
- frame = gtk_frame_new("Please note:");
- gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_ETCHED_IN);
- gtk_container_border_width(GTK_CONTAINER(frame), 10);
- gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dlg)->vbox), frame, TRUE, TRUE, 0);
- vbox = gtk_vbox_new(FALSE, 5);
- gtk_container_border_width(GTK_CONTAINER(vbox), 10);
- gtk_container_add(GTK_CONTAINER(frame), vbox);
-
-
- hbox = gtk_hbox_new(FALSE, 5);
- gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, TRUE, 0);
-
- label = gtk_label_new("Sensitive Signature Warning:\n\n"
- "Remember to save your image in a non-destructive format!\n"
- "For indexed images GIF could be a good choice, for RGB\n"
- "use BMP/TIFF/TGA etc. Never use a JPEG-compression!\n\n"
- "You shouldn't apply any filter to the image after the\n"
- "signature has been written. No blur/constrast etc.\n\n"
- "This restriction will hopefully be removed in a future\n"
- "version of the plug-in (available at cotting.citeweb.net)\n");
- gtk_box_pack_start(GTK_BOX(hbox), label, TRUE, FALSE, 0);
- gtk_widget_show(label);
-
- toggle = gtk_check_button_new_with_label ("Show warning message every time");
- gtk_box_pack_start(GTK_BOX(vbox), toggle, FALSE, FALSE, 0);
- gtk_signal_connect (GTK_OBJECT (toggle), "toggled",
- (GtkSignalFunc) toggle_update,
- &wvals.warningmessage);
- gtk_toggle_button_set_state (GTK_TOGGLE_BUTTON (toggle), wvals.warningmessage);
- gtk_widget_show (toggle);
- set_tooltip(tips,toggle,"If you want this message to be displayed every time you write a signature, then check this box.");
-
- gtk_widget_show(hbox);
-
- gtk_widget_show(vbox);
- gtk_widget_show(frame);
- gtk_widget_show(dlg);
-
- gtk_main();
- gdk_flush();
-
- return bint.run;
- }
-
- GtkWidget *
- signature_logo_dialog()
- {
- GtkWidget *xdlg;
- GtkWidget *xlabel;
- GtkWidget *xbutton;
- GtkWidget *xlogo_box;
- GtkWidget *xpreview;
- GtkWidget *xframe,*xframe2;
- GtkWidget *xvbox;
- GtkWidget *xhbox;
- char *text;
- guchar *temp,*temp2;
- guchar *datapointer;
- gint y,x;
- xdlg = logodlg = gtk_dialog_new();
- gtk_window_set_title(GTK_WINDOW(xdlg), "About");
- gtk_window_position(GTK_WINDOW(xdlg), GTK_WIN_POS_MOUSE);
-
- gtk_signal_connect(GTK_OBJECT(xdlg), "destroy",
- (GtkSignalFunc)signature_logo_close_callback,
- NULL);
-
- xbutton = gtk_button_new_with_label("OK");
- GTK_WIDGET_SET_FLAGS(xbutton, GTK_CAN_DEFAULT);
- gtk_signal_connect(GTK_OBJECT(xbutton), "clicked",
- (GtkSignalFunc)signature_logo_ok_callback,
- xdlg);
- gtk_box_pack_start(GTK_BOX(GTK_DIALOG(xdlg)->action_area),
- xbutton, TRUE, TRUE, 0);
- gtk_widget_grab_default(xbutton);
- gtk_widget_show(xbutton);
- set_tooltip(tips,xbutton,"Click here to close the information box.");
-
- xframe = gtk_frame_new(NULL);
- gtk_frame_set_shadow_type(GTK_FRAME(xframe), GTK_SHADOW_ETCHED_IN);
- gtk_container_border_width(GTK_CONTAINER(xframe), 10);
- gtk_box_pack_start(GTK_BOX(GTK_DIALOG(xdlg)->vbox), xframe, TRUE, TRUE, 0);
- xvbox = gtk_vbox_new(FALSE, 5);
- gtk_container_border_width(GTK_CONTAINER(xvbox), 10);
- gtk_container_add(GTK_CONTAINER(xframe), xvbox);
-
- /* The logo frame & drawing area */
- xhbox = gtk_hbox_new (FALSE, 5);
- gtk_box_pack_start (GTK_BOX (xvbox), xhbox, FALSE, TRUE, 0);
-
- xlogo_box = gtk_vbox_new (FALSE, 0);
- gtk_box_pack_start (GTK_BOX (xhbox), xlogo_box, FALSE, FALSE, 0);
-
- xframe2 = gtk_frame_new (NULL);
- gtk_frame_set_shadow_type (GTK_FRAME (xframe2), GTK_SHADOW_IN);
- gtk_box_pack_start (GTK_BOX (xlogo_box), xframe2, FALSE, FALSE, 0);
-
- xpreview = gtk_preview_new (GTK_PREVIEW_COLOR);
- gtk_preview_size (GTK_PREVIEW (xpreview), logo_width, logo_height);
- temp = g_malloc((logo_width+10)*3);
- datapointer=header_data+logo_width*logo_height-1;
- for (y = 0; y < logo_height; y++){
- temp2=temp;
- for (x = 0; x< logo_width; x++) {
- HEADER_PIXEL(datapointer,temp2); temp2+=3;}
- gtk_preview_draw_row (GTK_PREVIEW (xpreview),
- temp,
- 0, y, logo_width);
- }
- g_free(temp);
- gtk_container_add (GTK_CONTAINER (xframe2), xpreview);
- gtk_widget_show (xpreview);
- gtk_widget_show (xframe2);
- gtk_widget_show (xlogo_box);
- gtk_widget_show (xhbox);
-
- xhbox = gtk_hbox_new(FALSE, 5);
- gtk_box_pack_start(GTK_BOX(xvbox), xhbox, TRUE, TRUE, 0);
- text = "\nCotting Software Productions\n"
- "Bahnhofstrasse 31\n"
- "CH-3066 Stettlen (Switzerland)\n\n"
- "cotting@mygale.org\n"
- "http://www.mygale.org/~cotting\n\n"
- "Digital Signature\n Plug-In for the GIMP\n"
- "Version 1.00\n";
- xlabel = gtk_label_new(text);
- gtk_box_pack_start(GTK_BOX(xhbox), xlabel, TRUE, FALSE, 0);
- gtk_widget_show(xlabel);
-
- gtk_widget_show(xhbox);
-
- gtk_widget_show(xvbox);
- gtk_widget_show(xframe);
- gtk_widget_show(xdlg);
-
- gtk_main();
- gdk_flush();
- return xdlg;
- }
-